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Synthesis of Amino- and Hydroxybiphenyls by Radical Chain Reaction of Arenediazonium Salts


  • This work was supported by the Fonds der Chemischen Industrie (Liebig fellowship) and the Deutsche Forschungsgemeinschaft (DFG). We thank Prof. Dr. Thorsten Bach and his group for support.


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Radically shortened: In the propagation step of the title reaction, the cyclohexadienyl radical intermediate is oxidized by an arenediazonium ion to give the biaryl product (see scheme) while simultaneously a new aryl radical and nitrogen are formed.

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